40346680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1951}}^1$

素因数の和:2020

約数の個数: 64

約数和(自身を含む): 101191680

約数和(自身を除く): 60845000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 1951, 2068, 2585, 3902, 4136, 5170, 7804, 9755, 10340, 15608, 19510, 20680, 21461, 39020, 42922, 78040, 85844, 91697, 107305, 171688, 183394, 214610, 366788, 429220, 458485, 733576, 858440, 916970, 1008667, 1833940, 2017334, 3667880, 4034668, 5043335, 8069336, 10086670, 20173340, 40346680]

約数ペア:

[(1, 40346680), (2, 20173340), (4, 10086670), (5, 8069336), (8, 5043335), (10, 4034668), (11, 3667880), (20, 2017334), (22, 1833940), (40, 1008667), (44, 916970), (47, 858440), (55, 733576), (88, 458485), (94, 429220), (110, 366788), (188, 214610), (220, 183394), (235, 171688), (376, 107305), (440, 91697), (470, 85844), (517, 78040), (940, 42922), (1034, 39020), (1880, 21461), (1951, 20680), (2068, 19510), (2585, 15608), (3902, 10340), (4136, 9755), (5170, 7804)]